Articles tagged with Steel
A series of experiments is assessing the potential vulnerability of critical structural components in aging steel bridges. Researchers are discovering how materials, connection details, and designs react to IEDs, kinetic impact, intense fires, and other accidents.
The new Iowa River bridge features over 100 gauges that take 100 readings a second, providing quantitative information on the bridge's performance and condition. The system also monitors security and surveillance video, with data displayed in real-time on a website.
Scientists have developed a new form of buckypaper, which eliminates a major drawback of these sheets of carbon nanotubes by introducing a 'shish kebab' structure that controls pore size and conductivity. This innovation has potential applications in body armor, batteries, and electronics.
A new fracture control plan for steel bridges aims to reduce the risk of failure through improved material selection, design, and inspection. The plan has the potential to save costs on maintenance budgets by identifying critical members that need protection from brittle fracture.
Researchers will subject concrete footings and steel columns to simulated earthquake stresses to understand their behavior. The study aims to make skyscrapers safer and less expensive to build by optimizing foundation design.
Automakers are embracing carbon fiber composites to reduce weight and improve mileage in electric and hybrid vehicles. The material is 50% lighter than steel and 30% lighter than aluminum, despite concerns about high cost.
Russian engineer Vladimir G. Shukhov invented a lattice design that supports structures with minimum materials while maintaining stability. The researchers are studying his works to identify previously unknown projects and raise awareness of their preservation.
Researchers at Purdue University are testing the effects of fire on steel structures and nuclear power plant designs to improve fire safety. They have developed models that can be used in designs to enhance fire resistance, and their findings may lead to updates in design codes and computational building-design models.
Researchers at NIST discover that bacteria feeding on ethanol can boost fatigue crack growth rates by up to 25 times. The study highlights the importance of controlling bacterial growth during ethanol transport to prevent pipeline degradation.
The study highlights the potential health risks associated with migration interception practices, including immigration detention and visa restrictions. Health professionals must engage in discussions about migration and humanitarian protection to consider the broader impact on health and welfare.
Researchers at Ohio State University have discovered a new way to make steel 7 percent stronger than any steel on record using a heat-treatment called flash processing. The unique microstructure formed by the process boosts ductility, making it a potential impact-absorber for automotive applications.
Researchers successfully incorporated Waelz slag into commercial-size bricks using existing equipment, reducing toxic metal leaching. The resulting bricks meet EU quality standards for construction ceramic materials.
A new chemical bonding process adds new functions to stainless steel, improving its suitability for biomedical devices. Carbohydrate molecules are attached to the surface, enabling interaction with the immune system and potentially overcoming problems like blood clotting and allergenic responses.
Researchers have developed inexpensive instruments to test building sealants in real-world conditions, simulating movement and environmental factors. This allows for more accurate prediction of sealant failure, addressing the challenge of fatigue caused by temperature-induced expansion and contraction.
Researchers investigate widespread basement erosion during late Paleocene-early Eocene in Laramide Rocky Mountains. Additionally, they explore anomalous clastic wedge development and V-shaped conjugate strike-slip faults with implications for planetary geology.
Researchers at Yale University have successfully created complex shapes using newly developed bulk metallic glasses (BMGs) that can be blown molded with unprecedented ease and precision. The BMGs are twice as strong as typical steel, making them a promising material for various applications.
A new nickel alloy consumable has been developed to lessen the risk of breathing toxic fumes on the job. The alloy is compatible with stainless steel and produces no fumes of hexavalent chromium, a toxic form of chromium linked to cancer.
The study aims to fill knowledge gaps in cold-formed steel's performance during earthquakes, providing structural engineers with better tools to predict and mitigate damage. The researchers will test two-story buildings and develop computer models to analyze how various building components respond to seismic forces.
Purdue University researchers are studying the effects of fire on steel structures using a one-of-a-kind heating system. The testing focuses on how building components behave in extreme temperatures, with results comparing computational models to real-world experiments.
New studies on carbon nanotubes indicate they are at least 117 times stronger than steel and 30 times stronger than Kevlar, expanding commercial and industrial applications.
Mayor John Fetterman will receive the ESA's Regional Policy Award for his commitment to sustainability, revitalizing the town of Braddock through environmentally-friendly building design. The award recognizes Fetterman's innovative approach to green urban renewal and its potential economic benefits.
USDA researchers found that using stainless steel water troughs with chlorinated water significantly reduces the survival of Johne's disease-causing bacteria. Chlorine is particularly effective in killing the bacteria on stainless and galvanized steel surfaces, but has limited impact on concrete and plastic.
Researchers from Cornell Food and Brand Lab observed a significant increase in fresh fruit sales when displayed in attractive baskets and well-lit areas. The study found that making healthier options more noticeable led to smarter food choices, resulting in increased fruit sales.
A student at the University of Sheffield designed a mobile bicycle-powered water pump, called bicibomba movil, to improve irrigation and water distribution for rural residents in Guatemala. The machine can achieve a flow rate of 40 liters per minute on flat ground and has been produced in regular production since its creation.
Researchers have discovered a way to reuse cigarette butts to protect steel from rusting, a process that can be costly and disrupt oil production. The study identified nine chemicals in the extracts of cigarette butts that appear to be responsible for this anti-corrosion effect.
William Vanooij, a renowned engineering professor and entrepreneur, has earned the first Ohio Patent Award for his work on silane surface treatments that enhance corrosion protection of metals. His patented technology has led to the development of special radial tires with improved performance.
A team of researchers from the University of Exeter has conducted a six-week archaeological expedition to rural Andhra Pradesh in India to study the origins of high carbon steel-making. They recorded over 120 sites where iron and steel were produced, including those associated with the production of wootz steel.
A recent study by Université Laval found that 40% of commercial disinfectants are ineffective in eliminating noroviruses, which cause over half of all foodborne gastroenteritis outbreaks. Bleach-based products are the only ones to drastically reduce virus concentration.
Researchers at North Carolina State University developed a metal foam that mimics the elasticity of bone, reducing bone rejection and improving implant strength. The new composite foam has a modulus of elasticity consistent with bone, fostering bone growth and preventing 'stress shielding'.
A pilot study using miniaturized air samplers found no strong evidence of health risks for subway workers exposed to steel dust, with levels below OSHA standards. The study also showed that airborne metal concentrations were much higher in stations and trains than above ground.
Developed at the Technical University of Munich, Metaklett is a steel-based hook and loop fastener resistant to temperatures up to 800°C and aggressive chemicals. It has a tensile load of up to 35 tonnes per square meter and can be easily opened and closed.
A new earthquake-resistant structural system has been successfully tested in Japan, demonstrating its ability to make buildings far more damage resistant and easier to repair. The system dissipates energy through steel frames that rock off their foundation under large earthquakes, confining damage to replaceable parts.
Researchers at the University of Miami found that internal reinforcement with glass fiber reinforced polymer (GFRP) bars improves concrete column performance, allowing for limited use in harsh environments. The study's results provide a compelling case to modify existing design guidelines and allow for GFRP bar usage.
Research by Charles Horowitz at Indiana University reveals that the crusts of neutron stars are 10 billion times stronger than steel or other earth's strongest metal alloys. The findings have significant implications for understanding surface irregularities, star quakes, and magnetar giant flares.
A new material developed at the University of Michigan can heal itself when it cracks due to its designed narrow hairline cracks. The self-healing concrete recovered most of its original strength after being subjected to a 3% tensile strain, making it safer and more durable for infrastructure.
A new study by Carnegie Mellon researchers found that particulate matter in downtown Pittsburgh is more affected by major sources to the city's southeast than previously thought. The most polluted days often occur when winds are from the southeast, increasing PM levels above the National Air Quality Standard.
Researchers at Penn State have developed stainless steel brushes that can produce hydrogen at rates and efficiencies similar to those achieved with platinum-catalyzed carbon cloth. The new design reduces costs by five times compared to traditional platinum catalysts, while maintaining high current densities and energy recovery.
Researchers at North Carolina State University developed a new spandrel design that uses 30% less reinforcing steel without sacrificing safety. This innovation cuts labor and manufacturing time in half, significantly decreasing costs and making construction more environmentally friendly.
Researchers create a process that can produce nano-devices with features as small as 13 nanometers, outperforming silicon and steel. The use of bulk metallic glasses allows for molding fine details without grain size limitations.
Researchers at UWM have developed smart coatings that heal shallow pits and fractures on almost any material, preventing further degradation in various industries. The coatings, created by Dr. Carolyn Aita, adjust to conditions within the human body, preventing implant rejection or failure.
A prototype sensor developed by NIST and CSM can detect tiny amounts of hydrogen accumulation in coated pipeline steel. The sensor's measurement sensitivity is exceptional, allowing it to identify levels below 1 ppm, significantly earlier than conventional analytical techniques.
Researchers developed a 'slug calorimeter' technique to measure thermal conductivity of fireproofing materials under extreme heat. This new method has been adopted commercially and published as a national standard, with potential applications in steel fireproofing, wood-based materials, and spacecraft insulation.
Scientists at University of Michigan and U.S. Naval Research Laboratory demonstrate a solid-state qubit that can be both 0 and 1 at the same time, enabling faster quantum computing and improved computer security. The breakthrough enables the creation of a code that would be impossible to crack with conventional computers.
A new urban transit bus features a high-strength stainless steel body and chassis, reducing weight and improving fuel efficiency. The bus is powered primarily by stored electrical energy, driving fuel economy gains.
Scientists used a new technique to create a 3D map of stainless steel's grain structure, revealing how cracks grow between grains. The study provides insights into crack growth mechanisms and could lead to more efficient and safer materials.
University of Utah engineers successfully created wire-like waveguides to transmit and bend terahertz radiation, a crucial step towards harnessing its potential for faster computing and communication. This breakthrough could lead to the development of superfast computers that can process data at trillions of cycles per second.
The strength of spider silk lies in the specific geometric configuration of structural proteins, which have small clusters of weak hydrogen bonds that work cooperatively to resist force and dissipate energy. This structure makes spider silk as strong as steel, despite weaker hydrogen bonds.
Two studies demonstrate the value of repair systems for internal defects, with fiberglass-composite repairs showing wide variation in quality. Thin, precurved steel lamina effectively repair external corrosion without compromising pipes' strength.
University of Michigan researchers developed a composite plastic that's as strong as steel but lighter and transparent by mimicking the molecular structure found in seashells. The new material consists of layers of clay nanosheets and a water-soluble polymer, achieving ideal transfer of stress between nanosheets and a polymer matrix.
Researchers discovered that carbon nanotubes can repair themselves by moving blemishes across the surface of the material, sewing up larger holes as they go. This self-repair mechanism allows the nanotube to retain its strength despite severe damage, but comes with a price: releasing energy and mass in the form of gaseous carbon atoms.
Research by Dr. Piers Steel reveals that perfectionism is not the root cause of procrastination, but rather a lack of confidence and expectancy. The study estimates that 15-20% of the population are procrastinators, with costs extending beyond poor work performance to financial and health implications. Steel's Temporal Motivational The...
Researchers at the University of California - San Diego have developed a new technique to detect internal defects in steel railroad tracks using laser beam pulses and ultrasonic microphones. The technology has shown promising results, detecting 76.9-100% of internal defects and 61.5-90% of surface cuts in dry and wet conditions.
Researchers discovered that Shewanella oneidensis MR-1 bacteria protect metals like copper, aluminum, and mild steel from corrosion. The study found increased resistance to electrical currents and reduced pitting in metals exposed to the bacteria.
Researchers at Lawrence Livermore National Laboratory discovered that three line defects in the crystal structure of metals create a stronger bond than when only two dislocations intersect. This finding has significant implications for hardening metals and could be applied to various industries, including construction and manufacturing.
A team of scientists has successfully drilled into a fossil magma chamber beneath the Pacific Ocean's crust, providing valuable insights into how new ocean crust is formed. The discovery confirms theories about the relationship between seismic velocity and crustal rock composition.
Researchers developed a predictive tool to analyze nanotube breaks based on four key variables, including load level, temperature, and chirality. The model creates a strength map plotting the likelihood of breakage and its underlying mechanisms.
Researchers at Pacific Northwest National Laboratory have developed a durable, low-cost, and easy-to-apply ceramic-based aluminide coating that prevents corrosion, oxidation, carburization, and sulfidation in hostile environments. The coating bonds with the metal substrate and is resilient, inexpensive, and simple.
A new selection tool using 'synthetic validity' could revolutionize hiring by streamlining processes, saving businesses billions of dollars annually. This system has also been applied to online dating, aiming to create more precise matches with better long-term results.
Rutgers University engineers are monitoring the buildup of empty containers in New Jersey and proposing strategies to improve their management. Rising steel costs have made it more economical for shipping companies to take back empties, but a study aims to optimize container movement within the region.
The thesis proposes a measurement system that uses magnetic domains as internal sensors to determine microstructure variations in steels. This method allows for the quantitative investigation of dislocation density, grain boundaries, and precipitates, opening up new technological possibilities in magnetic non-destructive testing.